Minor Characters are characters who play a very small role in the show, characters with no names, and characters who are mentioned but not seen.

K.O.'s and Dendy's Classmates

Classmates of Kaio

K.O. and Dendy's Classmates are the classmates of K.O. at Original County Public School. Three of them are officially named as Nanini, Genesis, and Bobo. They've made a flashback appearance in "I Am Dendy" with their debut appearance of "Mystery Science Fair 201X" and "The So-Bad-ical".

Old Man Jenkins

Old Man Jenkins, as his name is revealed in the credits of "Hope This Flies" and in a pow card, wears a yellow top with a yellow hat and his right arm is mechanical. His beard is the same color of his hair, white. He is voiced by Ian Jones-Quartey. His debut appearance was in "One Last Score" as his far distance render, which has a different appearance than his ordinary appearance (beginning from "Plazalympics" as his color palette consists of more of brown hue. He has a pointed, protruding nose as opposed of triangular shape, and he has no hair and no beard. According to his pow card, he is a level -1 and is afraid of taking bath.

Ms. Mummy's Mother: Dr. Sphinxon


Dr.Sphinxon looks like a human with a lion's tail, which is very different than her daughter. However, they both have an Ancient Egyptian motif. Her first appearance is in "Parents Day", and her second appearance is in "Radical Rescue" where it is revealed she runs a cat shelter. She is voiced by Constance Schulman.

Drupe's Mother

The mother of the fruit

Drupe's mother looks like an orange with a business woman-like outfit and has a purse that resembles a slice of watermelon. It is not known why she and her daughter are not the same kinds of fruit, as Drupe is a Strawberry. Her only appearance is in "Parents Day".

Brandon's Parents

Brandon's Parents

Brandon's parents bear resemblance to the Hanna-Barbera characters Yogi Bear and Cindy Bear. Their only appearance is in "Parents Day".

Rain Cloud


A small rain cloud with a briefcase. He rained on K.O. His only appearance was in "You're Level 100!".


Kappas were ineligible to create their own pow cards until the end of the episode "No More Pow Cards", where there were many kappas demonstrating heroic qualities. One of the unknown Kappas is level 0.1, the same level K.O. had up until "You're Level 100!".

Animals in Human-Suits

They are all animals that wish to be humans and wear human-like clothing and disguises to fit in. Their only appearance was in "We've Got Fleas".

Blue Guy in a Tie


He wears a small yellow tie while the rest of his body is blue. His only appearance was in "Plaza Prom".


They are humans who help those in need of medical assistance. The male doctor appeared in "Plaza Prom" and the female doctor appeared in "Know Your Mom".

Small Purple Cat


He is a small purple cat who appears in the crowd at the plaza prom in "Plaza Prom".

Blorp Fandom

The man with the "Rad Dad" shirt is voiced by Dave Herman and is credited as "Rad Dad," the lady with the "le Blorp" shirt is voiced by Melissa Villasenor and is credited as "Rad Fan," and the zombie-like fans are voiced by Ben Jones and is credited as "Zombie Like Fan." They only appeared in "Everybody Likes Rad?".

Cast Crew

Two crew members who work with The Director. One of the cast crew members have lines, while the other doesn't. The Cast Crew has unknown names. They only appeared in "Everybody Likes Rad?".

Party People

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People who came to Gnarlio's party at the bodega. They've only appeared in "We've Got Pests". Two party people were credited as "Frat Boi".

Puck Reverie's Mother

Young Puck Reverie

The mother of Puck Reverie and the sister of Bernard only appeared in "Parents Day" albeit in a family photo. She is described as a lady wolf-man, and was previously married to an angel. Her fur is purple, much like her brother's.

Succulentus's Grandson


Grandson of the former villain Succulentus. He only appeared in "Know Your Mom" and is credited as Kid. He is voiced by Kari Wahlgren.

Unnamed Wizard Villain

Wizard villain

He fought against Silver Spark once. He only appeared in "Know Your Mom".

Imaginary Villain

Imaginary Villain

Villain imagined by K.O. when he wanted to find Carol a new super villain to battle. He only appeared in "Know Your Mom".


Prostratum is a former member of the Kaktus Krew who is mentioned by K.O. in the episode, "Know Your Mom". The way the scene plays out when K.O. tries to call Prostratum, it seems as if they passed away.

Doctor Weakpoint

Doctor Weakpoint is the villain who created Steamborg. The character is first mentioned by Silver Spark in "Glory Days". All other information about them is unknown.

Giant Borg

Giant Borg

A Giant borg is a minor character in OK K.O.! Let's Be Heroes. This character first appeared in "Red Action to the Future". It is silver and diamond colored, and is big like Chameleon Sr. Its abilities and powers are laser beams and force field. He can shoot lasers out of his eyes and he can protect himself from his opponent's attacks.



Stickman was a guest hero character in "Crossover Nexus", originally appearing in storyboards of the 22-minute version of the episode but was scrapped when the episode was cut down to 11 minutes. Stickman has the normal build of a normal stickman, but with two muscular arms, and a small yellow cape. He has no face and his body is colored red. Due to only appearing in storyboards in "Crossover Nexus", his personality is currently unknown. However, he is seen to be friendly and sportsman-like, calling K.O, Garnet, Ben, and Raven a 'pretty creative team' with a heroic voice, as shown by his dialog box.

ve Characters
Main Characters K.O.EnidRadiclesDendyCarolMr. GarLord Boxman
Heroes Lakewood Heroes:

Bomber FanCalopoChameleon Sr.Co-BruhCookie ManCrinkly WrinklyDendyDiving BelleDogmunDolph FinnFish DudeGlitter StarlightHolo-JaneJoe Cuppa (Small Joe) • JoffMad SamMega Football BabyNeilNick ArmyPavelPepelinaPotatoPuck ReveriePunching JudyRed ActionRex Th' BunnyShy NinjaSkateboard NerdTeamsterTed Viking and FoxyThe FluURL

Pow Card Industries: Mr. CardsleyCarlaGuardsKrissa

P.O.I.N.T.: Chip DamageDoctor GreymanEl-BowFoxtailLaserblastRippy RooSilver Spark

P.O.I.N.T. Prep: BikiDemon QueenieElodieKoala PrincessMiss PastelPhoebePurrcivalSparkoSunshine

Action News 52: Big CheeseCamDynamite WatkinsGlobe ManMeteorologist

Hue Troop: Blue PowerBlack StrategyGreen GutsYellow TechniqueRen Bo

Other: CupidFlurryGargantuonHeroic GuyMega HugemanSqueezoStretchworthTopherThe Director

Villains Boxmore: Boxman's DogBoxman Jr.DarrellFinkErnestoJethroMikaylaProfessor VenomousQuantum's BotsRaymondShannonTruck

Other: Big Bull DemonBilliam MilliamBilliam's BodyguardsBilliam's MinionsCantalopCosmaFerocactusHon DewMecha LizardMimicMiss QuantumNappaShadowy FigureSteamborgSucculentusVormulaxWarlockWat Mel

Civilians Acting CoachBell BeeferBill BurpBoBoboCalendar Shop TigerCan WizardChill CatCitrus TwistyColewortCombo BreakerGenesisGerald NametagGil FerrisGnarlioGnarlio Jr.GreggIce Cream LadyKid AphidLion CatMr. Allen WorkMrs. GnarlioNaniniOfrangPeejPirdSmall OneTheodosiaTumblesWally the WhiteWilly

Spooky Household: BernardWilhamenaBorisIckyCruddeSpanky

Other K.O.'s transformations: Combined K.O.P.K.O.T.K.O.

Other: Baby TeethBarryCool SunCorn ShepherdGalaxy TrufflesMama TrufflePlazamo

Unknown Characters

Captain Planet Captain PlanetKwameDr. BlightMAL
Crossover Nexus GarnetStrikeBen TennysonRaven
Ghoul School PhantasmaElsa FrankenteenSibellaWinnieTanis
RPG World HeroCherryDragoboSpaghettiGalgarion
Sonic the Hedgehog Sonic the HedgehogMiles "Tails" Prower
Groups Hue TroopKaktus KrewLizard GangP.O.I.N.T.Shade'O Boyz
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